ChemicalBook > CAS DataBase List > 4-[(2,4-Dimethylphenyl)azo]-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one

4-[(2,4-Dimethylphenyl)azo]-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one

Product Name
4-[(2,4-Dimethylphenyl)azo]-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one
CAS No.
6407-78-9
Chemical Name
4-[(2,4-Dimethylphenyl)azo]-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one
Synonyms
c.i. 12740;Food Yellow 12;solvent yellow 18;C.I.Food Yellow 12;Transparent yellow GR;C.I.Food Yellow 12:C.I.12740;C.I.Solvent Yellow 18:C.I.12740;2-Phenyl-4-(2,4-dimethylphenylazo)-5-methyl-2H-pyrazole-3(4H)-one;4-[(2,4-dimethylphenyl)azo]-2,4-dihydro-5-methyl-2-phenyl-3h-pyrazol-3-one;3H-Pyrazol-3-one, 4-[2-(2,4-dimethylphenyl)diazenyl]-2,4-dihydro-5-methyl-2-phenyl-
CBNumber
CB42131199
Molecular Formula
C18H18N4O
Formula Weight
306.36
MOL File
6407-78-9.mol
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4-[(2,4-Dimethylphenyl)azo]-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one Property

Boiling point:
497.8±45.0 °C(Predicted)
Density 
1.19
vapor pressure 
0Pa at 25℃
pka
1.45±0.70(Predicted)
Water Solubility 
62.94μg/L at 25℃
LogP
5.65 at 25℃
EPA Substance Registry System
3H-Pyrazol-3-one, 4-[(2,4-dimethylphenyl)azo]-2,4-dihydro-5-methyl-2-phenyl- (6407-78-9)
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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

AK Scientific
Product number
T847
Product name
SolventYellow18
Packaging
1g
Price
$490
Updated
2021/12/16
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4-[(2,4-Dimethylphenyl)azo]-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one Chemical Properties,Usage,Production

Uses

Solvent Yellow 18 is used in preparation methods of altering the refractive index of a lens using a polymer matrix.

Preparation

2,4-Dimethylbenzenamine diazo, and 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one?coupling.

Flammability and Explosibility

Not classified

Properties and Applications

red light yellow to yellow. Insoluble in water, slightly soluble in alcohol. And C.I. Solvent yellow 18 the same chemical structure.

4-[(2,4-Dimethylphenyl)azo]-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one Preparation Products And Raw materials

Raw materials

Preparation Products

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4-[(2,4-Dimethylphenyl)azo]-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one Suppliers

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View Lastest Price from 4-[(2,4-Dimethylphenyl)azo]-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one manufacturers

Career Henan Chemical Co
Product
:4-[(2,4-Dimethylphenyl)azo]-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one 6407-78-9
Price
US $7.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
100KG
Release date
2020-01-09

6407-78-9, 4-[(2,4-Dimethylphenyl)azo]-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-oneRelated Search:

Phosphorus METSULFURON METHYL Dimethyl sulfone N,N-Dimethylacetamide Bensulfuron methyl Dimethyl sulfoxide Solvent Yellow 2 Methylparaben N,N-Dimethylformamide Methyl acrylate Solvent Yellow 33 N,N-Dimethylaniline Pyrazole Dimethicone Solvent Blue 36 1,8-Bis(phenylthio)-9,10-anthracenedione Poly(dimethylsiloxane) Methyl cellulose

  • 4-[(2,4-dimethylphenyl)azo]-2,4-dihydro-5-methyl-2-phenyl-3h-pyrazol-3-one
  • c.i. 12740
  • solvent yellow 18
  • 2-Phenyl-4-(2,4-dimethylphenylazo)-5-methyl-2H-pyrazole-3(4H)-one
  • C.I.Food Yellow 12
  • 3H-Pyrazol-3-one, 4-[2-(2,4-dimethylphenyl)diazenyl]-2,4-dihydro-5-methyl-2-phenyl-
  • Transparent yellow GR
  • C.I.Food Yellow 12:C.I.12740
  • Food Yellow 12
  • C.I.Solvent Yellow 18:C.I.12740
  • 6407-78-9